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I know that this is a known issue, but I'm seeing caching issues often with iOS. I'm using S132 v5.0.0, SDK 14.0 against custom application with iOS DFU SDK and often I'm seeing ... (more)
I would like to synchronize my warning lamps with the advertisment of a master device.
The master is the advertiser as peripheral device. once every second.
The slaves are scanner as central device. When they detect the advertisment they synchronize ... (more)
I try to enable the ram retention function. (Bank 4) So i used the POWER structure
NRF_POWER->RAM.POWERSET |= (POWER_RAM_POWER_S0POWER_On << POWER_RAM_POWER_S0POWER_Pos); NRF_POWER->RAM.POWERSET |= (POWER_RAM_POWER_S0RETENTION_On << POWER_RAM_POWER_S0RETENTION_Pos);
This instructions make constantly reset the board. Did you have a ... (more)
I am using keil 5, softdevice 132, sdk NRF_SD_BLE_API_VERSION=5, nRF52832.
I am trying to work with firmware update over ble.
In the example folder, there is an example called "buttonless dfu".
I am trying to implement it. But cant ... (more)
Hello, I am using nrf52 with sdk 13.0.0. Bootloader_secure_ble gives error while compiling. What should I do ?
Error[Lt009]: Inconsistent wchar_t size micro_ecc_lib_uECC.c.o(micro_ecc_lib_nrf52.a) has wchar_t size 16 bits app_error_weak.o and 66 other objects ...
There seems to be an issue when reading GPIO pins returning false readings. I am using two pins for I2C communication, 26 and 27, I am configuring them with the required configuration for using I2C and then setting them high ... (more)
We have field reports of BlackBerry Priv not being able to "connect" to our nRF52 based hardware.
BlackBerry Priv is: https://www.gsmarena.com/blackberry_p... (Runs Android 6.0.1 with lastest/final patch in Oct '17)
Upon closer inspection ... (more)
I'm using an "app_timer" in repeated mode with 10Hz frequency.
#define M_10HZ_TIMER_VALUE APP_TIMER_TICKS(100) /* 10Hz = 100ms */ APP_TIMER_DEF(m_10Hz_timer_id); app_timer_create(&m_10Hz_timer_id, APP_TIMER_MODE_REPEATED, m_10Hz_timer_handler); app_timer_start(m_10Hz_timer_id ...
Hi to everyone!
I'm following this guide to learn how to use secure DFU on a nRF52832DK board.
All steps have been done successfully, or I think so, until I reach the D4 step where the new program has ... (more)
I am working with the nRF52 DK, using SDK v14.2.0 and SoftDevice S132.
After removing all BSP functions from the BLE UART example, I am setting up LED1 and LED2 of the nRF52 DK as followed
#define LED1_PIN_NUMBER ...
I am trying to communicate with iPhone X using Nordic_Uart sample project in SDK 14.2. And I check the Protocols between nRF52DK and iPhone X by using Ellisys Bluetooth Tracker, I found an error on LLCP Length Response. LL_LENGTH_RSP ... (more)
I have a question regarding the nrf uart driver. The RXTO event is never triggered even though the Interrupt itself is enabled (and the line is idle after a packet, so the timeout should happen unless it's set ... (more)
The NRF52 product spec suggests: "The input buffer of a GPIO pin can be disconnected from the pin to enable power savings"
I've found that gpio.h provides the function: nrf_gpio_input_disconnect(pin)
However this function doesn't appear to ... (more)
I have developed my application using BLE for connect android mobile. I have design complete PCB using your reference design. But i have littele confused in power supply schematic because i have use MCP1640 doubler IC, and use ... (more)
Hi, I'm using nRF52832 with sdk 13.1.0(softdevice 4.0.2). I had trouble to connect nRF52832 in some android smart device.When I restart Bluetooth,Sometimes there are problems connecting(GATT ERROR 133).Then never connected ... (more)
With the mobile apps via logging I don't see the device transitioning into the bootloader state.
Anyone seen anything like that.
I just spent 2 hours chasing BLE bug after upgrading from s132 v3 => v4.0.2
I added a call
// Configure the maximum ATT MTU. memset(&ble_cfg, 0x00, sizeof(ble_cfg)); ble_cfg.conn_cfg.conn_cfg_tag = BLE_CONN_CFG_TAG_DEFAULT; ble_cfg.conn_cfg.params.gatt_conn_cfg.att_mtu = NRF_BLE_GATT_MAX_MTU_SIZE ...
I was confused by a PWM problem for a long time , on nrf52832 SDK13 ,i wanna change the PWM duty cycle every period ,but now i find can not change it at first period but is correct operate ... (more)
This is the Energy Profile that is shown for the nRF82832 and I am wondering about the RX/ switch parts. I assume these RX phases are for receiving scan requests? What happens if I set advertising mode to ADV_DIRECT_IND or ... (more)
I have posted the same question in the following URL. https://devzone.nordicsemi.com/questi...
It will be very helpful if you tell me how to get a correct MIC result by AES CCM mode encryption of nRF52832.
I ... (more)
We have a discovery issue that seemingly only happens with the Samsung Galaxy S8.
We are using the nRF52832 with SoftDevice S132 v2.0.1, and do directed advertisements to the last connected peer when disconnecting. We do not use ... (more)
The last table on the S132 Specification BLE "data throughput" web page lists the maximum GATT Notification send/receive rates as 16kbps when using an event length of 2.5ms and C.I. of 20mS.
A quick calculation suggests that ... (more)
has anyone observed a behavior where the peripheral would be displayed as Accessory on iOS? I'm seeing this occasionally with my S132 v5.0.0 peripheral, but can't seem to reproduce it. Not sure if it happens ... (more)
Hi, I need to use the radio timeslot api in my application. I'm using nrf52 ,SDK 14.0.0 and softdevice version 5.0.0 . I've gone through the tutorial for setting up timeslot api. But was not ... (more)
Hi everybody : SDK11 132 ble_app_uart domo add dfu no work . This is my code . I don't know how to set RAM.This is my set.
i have developed new board using nRF52832 xxAA. i am dumping code in this using nrf52 DK and it is working fine but when i am removing power from this and reconnect power it is not working. but ... (more)
My development environment is Keil, and I am using nRF52840 & S140 (5.0.0-2) & SDK14.1.
Can I use BLE with the USB_MSC example?
On target NRF52832 is a 32k crystal necessary in order to run a soft device?
I have a server running on my Android phone. I looked at the service UUID encoded in the advert packet using and Wire-shark and confirmed my app is broadcasting packets.
However, when the app is connected to an NRF central ... (more)
I am trying to execute code that broadcasts (uses the Soft Device Ble stack) on target nrf52832 boards connected to the PCA10040.
I am successful uploading a program (that does not use Soft Device) and have it execute on three ... (more)